SPI Triggering and Serial Decode 28
Keysight InfiniiVision 1200 X-Series and EDUX1052A/G Oscilloscopes User's Guide 303
 
7 Press the Clock softkey to open the SPI Clock menu.
In the SPI Clock menu:
a Press the Clock softkey; then, turn the Entry knob to select 
the channel connected to the SPI serial clock line.
The CLK label for the source channel is automatically set.
b Press the Threshold softkey; then, turn the Entry knob to 
select the clock signal threshold voltage level.
The threshold voltage level is used in decoding, and it will 
become the trigger level when the trigger type is set to 
the selected serial decode slot.
c Press the slope softkey ( ) to select rising edge or 
falling edge for the selected Clock source.
This determines which clock edge the oscilloscope will use 
to latch the serial data. When Display Info is enabled, the 
graphic changes to show the current state of the clock 
signal.